package com.sky.mapper;


import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCartMapper {
/*
* 条件查询
*
* */


    List<ShoppingCart> list(ShoppingCart shoppingCart);




    /*
    * 修改数量
    * 更新商品数量
    * */
    @Update("update shopping_cart set number = #{number} where id = #{id}")
    void updateNumberById(ShoppingCart shoppingCart);



    /**
     * 插入购物车数据
     *
     * @param shoppingCart
     */
    @Insert("insert into shopping_cart (name, user_id, dish_id, setmeal_id, dish_flavor, number, amount, image, create_time) " +
            " values (#{name},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{image},#{createTime})")
    void insert(ShoppingCart shoppingCart);




    /*
    * 清空购物车
    *
    * */
    @Delete("delete from shopping_cart where user_id =#{userId}")
    void deleteByUserId(Long userId);





    /*
    *
    * 删除购物车中的一个商品
    * */

    void deleteCart(ShoppingCart shoppingCart1);






    /*
    * 再来一单
    * 批量插入购物车数据
    * */
    void insertBatch(List<ShoppingCart> shoppingCartList);
}
